Isolating COTS Equipment aboard Military Vehicles Training

Isolating COTS Equipment aboard Military Vehicles Training

Introduction:

Isolating COTS Equipment aboard Military Vehicles Training Course Description

Can one avoid these high costs and at the same time improve the design? Successfully meeting the tests and qualifying equipment the first time through is a principal objective of this course.

The Navy’s MIL-STD-901D barge test is especially severe. COTS equipment often cannot meet the shock conditions unless protected in properly designed enclosures. Isolation of equipment and how the isolation mounts and enclosure are selected and designed are extremely important. Selecting the wrong isolator can be worse than hard mounting. Shock and vibration tests are very expensive. Failure may require extensive modifications to equipment and then retest in order to validate design and equipment. Delays to the program are inevitable, costs increase rapidly and schedules can be badly affected.

Isolating COTS Equipment aboard Military Vehicles TrainingRelated Courses:

Duration:2 days

Skills Gained:

how to select isolators, design isolation systems and properly use commercial enclosures for COTS equipment,
Shock and vibration analysis methods,
equipment fragility, and
applications to MIL-S-901D and MIL-STD-167 tests,
description of the tests,
review of shock and vibration conditions and
test data from decks having natural frequencies 8 Hz, 14 Hz, 25 Hz, etc.

Customize It:

With onsite Training, courses can be scheduled on a date that is convenient for you, and because they can be scheduled at your location, you don’t incur travel costs and students won’t be away from home. Onsite classes can also be tailored to meet your needs. You might shorten a 5-day class into a 3-day class, or combine portions of several related courses into a single course, or have the instructor vary the emphasis of topics depending on your staff’s and site’s requirements.

Course Content:

Vibration and shock, introduction and fundamentals

Equipment in military, naval, airborne and commercial/industrial environments
Military standards: 810, 167, S-901D and commercial requirements
Land vehicles
Airborne vehicles including helicopters
Ship vibration and Navy Floating Shock Platform (FSP)
Vibration and shock data – inputs and responses
Sine and random vibration
Shock response spectra (SRS)

Fragility and protection of equipment

Failure criteria and functional performance – stress levels
Understanding vibration and shock requirements – allowable acceleration levels
Fundamentals of isolation – protection methods – dynamic load factors
Stiffness, damping and motion

Guidelines for selecting isolation

Protecting vehicle and equipment on board
Standard and custom isolator designs
Understanding isolator properties
Interpreting manufacturer’s data

Proven design features

Case histories and typical installations – military and industrial requirements
Equipment layout – engineering details and accessories
How to design the complete isolation and enclosure system
Reducing equipment costs and improving schedules

Methods of predicting shock and vibration input and response

Examples using SIMPLE, DDAM, UERD tools and other analysis methods
Comparison with measured results
Design parameters and allowance for changes
Modeling of the equipment and its installation
Determining significant modes
Effects of non-linearities on isolation
Minimizing the response

Qualification testing and evaluation of equipment

How to avoid re-test – extension by analysis
Validation using shock response spectra
Shock and vibration qualified principal units
Sub-system and component tests
Military and industrial practice

Discussion of individual projects

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Time Frame: 0-3 Months4-12 Months

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